Role of Susceptibility Weighted Images (SWI) in Grading of Brain Glioma

Abstract

lioma is the most common intracranial primary tumor of the central nervous system and accounts for about 70% of primary adult malignant brain tumors. The optimum therapeutic treatment and prognosis evaluation largely depends on the tumor pathological grades. The World Health Organization (WHO) categorizes gliomas in to four grades (grade I, II, III, IV), with grade I being benign and grade IV being most malignant. The accurate grading of brain tumors is too important as management of high grade gliomas differs from that of high grade gliomas. Magnetic resonance imaging (MRI) is the initial investigation of choice in patients with suspected glioma and plays a major role in the initial differential. The usually used MRI sequences in case of suspected glioma (conventional and T1WI post contrast) don’t show the internal structure of the glioma.